tsconfig.json

{
  "compileOnSave": true,
  "compilerOptions": {
    /* Visit https://aka.ms/tsconfig to read more about this file */
    "target": "ES2017",                                  /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
    "experimentalDecorators": true,                      /* Enable experimental support for TC39 stage 2 draft decorators. */
    "module": "commonjs",                                /* Specify what module code is generated. */
    "outDir": "dist/commonjs",                                   /* Specify an output folder for all emitted files. */
    "removeComments": false,                             /* Disable emitting comments. */
    "forceConsistentCasingInFileNames": true,            /* Ensure that casing is correct in imports. */
    "strict": true,                                      /* Enable all strict type-checking options. */
    "skipDefaultLibCheck": true,                      /* Skip type checking .d.ts files that are included with TypeScript. */
    "skipLibCheck": true,                                 /* Skip type checking all .d.ts files. */
    "declaration": true
  },
  "include": ["src/**/*"],
  "exclude": ["node_modules", "test"]
}